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Proper Fractions

Quick Definition: A Proper Fraction has a
numerator (top number) less than its
denominator (bottom number)
,

such as 3/8 or 4/5

3/8
(Three-Eighths)

Fractions

A Fraction (such as 3/8) has two numbers:
Numerator
Denominator

We call the top number the Numerator, it is the number of parts you have.
We call the bottom number the Denominator, it is the number of parts the whole is divided into.

Fractions can have three different types :

Proper Fractions: The numerator is less than the denominator
Examples: 1/3, 3/4, 2/7
   
Improper Fractions: The numerator is greater than (or equal to) the denominator
Examples: 4/3, 11/4, 7/7
   
Mixed Fractions: A whole number and proper fraction together
Examples: 1 1/3, 2 1/4, 16 2/5

Proper Fractions

So, a proper fraction is just a fraction where the numerator (the top number) is less than the denominator (the bottom number). Here are some examples of proper fractions:

1/2 1/4 3/8
(One-Half)
(One-Quarter)
(Three-Eighths)